Self-stress-balancing cradle frame of electrolysis bath
An electrolytic cell and cradle frame technology, applied in the field of aluminum electrolytic cells, can solve the problems of cradle breakage, large shear force and bending moment of cantilever end deformation, and achieve reasonable stress and reduce acting moment and force. Fast delivery, reduced thickness and height effects
Active Publication Date: 2013-12-25
GUIYANG AL-MG DESIGN & RES INST
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Problems solved by technology
[0006] The technical problem to be solved by the present invention is to provide a self-balancing stress electrolytic cell cradle, the cradle has a simple structure, saves steel materials, and works reliably, and can self-balance the relatively large stress generated when the cantilever end of the electrolytic cell cradle works and Larger deformation, improving the mechanical performance of the cradle frame and the inside of the electrolytic cell, to overcome the large deformation of the cantilever end in the prior art, resulting in large shear force and bending moment, and easy shear and pull at the root of the cradle frame failure
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[0014] Implementation example of the present invention: as figure 1 , figure 2 As shown, it includes the cantilever end 1 of the cradle frame of the electrolytic cell, the shell of the electrolytic cell 5, the AB beam 6 of the electrolytic cell, and the bottom beam 7 of the cradle frame. . The gusset plate 2 is welded above the cradle frame of the electrolytic cell, and the support beam 3 is connected to the node plate 2 through the connecting bolt 4, thereby forming an effective lateral constraint on the cantilever end 1 of the two electrolytic cell cradle frames, and resisting the force received by the cradle frame during operation The temperature expansion stress and strain solve the problem of excessive displacement of the cantilever end of the cradle stand.
[0015] Construction steps of the present invention are:
[0016] First, weld the gusset plate 2 above the cantilever end 1 of the cradle frame of the adjacent two groups of electrolytic cells;
[0017] Second, t...
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The invention discloses a self-stress-balancing cradle frame of an electrolysis bath, which comprises cantilever ends (1) of the cradle frame of the electrolysis bath, an electrolysis bath shell (5), an electrolysis bath AB beam (6) and a bottom girder (7) of the cradle frame, wherein a support beam (3) is arranged between two adjacent groups of cantilever ends (1) of the cradle frame of the electrolysis bath. The support beam (3) is made from angle steel or channel steel and connected with the cantilever ends (1) of the cradle frame of the electrolysis bath through a gusset plate (2) and connecting bolts (4). The cantilever ends (1) of the cradle frame of the electrolysis bath are welded with the gusset plate (2). According to the invention, by integrally connecting the two adjacent groups of cradle frames of the electrolysis bath through the angle support beam, the external load and corresponding deformation caused by temperature and aluminum liquid when the cantilever part of the cradle frame is started and works are canceled out. The cradle frame disclosed by the invention has a simple structure, is firm and wearable and reasonably stressed, enables the working state of the cradle frame to better conform to the actual stress conditions, gains remarkable beneficial benefits and reduces investment in the construction of the electrolysis bath.
Description
technical field [0001] The invention relates to a cradle frame for an electrolytic cell, which belongs to the technical field of aluminum electrolytic cells. technical background [0002] The cradle frame is the key component of electrolytic aluminum production. Modern large-scale aluminum electrolytic cells mostly use cradle-type shells, and the lower structure is mainly composed of electrolytic cell shells and a series of cradle frames. The long side load of the tank shell is mainly borne by the cradle frame. In the actual use process, it is found that the deformation of the long side of the tank shell is the main factor affecting the working capacity of the tank shell. The main reason for the deformation of the electrolytic cell is that as the electrolytic cell starts to operate, the temperature of the large surface end of the cell rises, and the expansion stress absorbed by the inner liner, the welding internal stress and the thermal stress cause the expansion of the ce...
Claims
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IPC IPC(8): C25C3/10
Inventor 郑莆施亮余祥兴
Owner GUIYANG AL-MG DESIGN & RES INST